Folks have been talking about salmomid predation for decades and in fact the predation of steelhead is listed as one of the factors in the NMFS approved PS steelhead recovery plan. The problem that no one has been able to get around is the lack of public will to address the issue.

Other issues to consider would be altered hydrographs whether from hydro production, land use practices or climate change.

Stream channel instability

excessive sedimentation

curt